package lab02.Test32;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by Administrator on 2017/11/9.
 */
public class Test {
    public static void main(String[] args) {
        Map<String, String> person = new HashMap<>();
        //id—>"1"、name—>"张三"、gender—>"男"、 age—>"25"、love—>"爱学Java"
        person.put("id", "1");
        person.put("name", "张三");
        person.put("gender", "男");
        person.put("age", "25");
        person.put("love", "爱学习java");
//遍历map
        for (Map.Entry<String, String> entry : person.entrySet()) {
            System.out.println(entry.getKey() + "," + entry.getValue());
        }
        System.out.println("map集合大小为：" + person.size());

//删除key 为age的记录
    for(Map.Entry<String, String> entry: person.entrySet()){
        if(entry.getKey().equals("age")){
            person.remove(entry.getKey());
    }
}
    System.out.println("map集合大小为:"+person.size());
}
}